Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9392435 | Method, system and apparatus for accessing a visited network | Peng Zhang, Wenlin Zhang, Hai Zhang | 2016-07-12 |
| 8776184 | Method, system and apparatus for accessing a visited network | Peng Zhang, Wenlin Zhang, Hai Zhang | 2014-07-08 |